6005479021 has 2 divisors, whose sum is σ = 6005479022. Its totient is φ = 6005479020.

The previous prime is 6005478967. The next prime is 6005479031. The reversal of 6005479021 is 1209745006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4052722921 + 1952756100 = 63661^2 + 44190^2 .

It is a cyclic number.

It is not a de Polignac number, because 6005479021 - 2¹⁷ = 6005347949 is a prime.

It is a super-2 number, since 2×6005479021² = 72131556543342236882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6005479031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002739510 + 3002739511.

It is an arithmetic number, because the mean of its divisors is an integer number (3002739511).

Almost surely, 2^6005479021 is an apocalyptic number.

It is an amenable number.

6005479021 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005479021 is an equidigital number, since it uses as much as digits as its factorization.

6005479021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 6005479021 is about 77495.0257823042. The cubic root of 6005479021 is about 1817.6735379935.

The spelling of 6005479021 in words is "six billion, five million, four hundred seventy-nine thousand, twenty-one".